:root {
    --primary: #1a4f3f;
    --accent: #7abf99;
    --light: #f5f7f6;
    --dark: #111;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

.header {
    background: white;
    padding: 1rem 0;
    border-bottom: 1px solid #eaeaea;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--dark);
}

.hero {
    padding: 6rem 0;
    text-align: center;
    background: linear-gradient(to bottom, #ffffff, #e8f2ee);
}

.btn {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 6px;
}

.section {
    padding: 4rem 0;
}

.footer {
    background: white;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid #eaeaea;
}